A film titled 'Dramatic Rescues from "Sub" Trapped on Bottom of Sea'

A film titled 'Dramatic Rescues from "Sub" Trapped on Bottom of Sea'. United States Ship Falcon seen. Buoy indicating the spot where the rescue chamber is over the sunken submarine. Diving bell (the rescue chamber) is lowered in water. Rescue chamber comes out of water. Survivors are brought aboard Falcon from the chamber.